Google Chrome prefetches DNS for speed up browser performance

por em Browser,chrome,dns,page speed,Performance Nenhum comentário
Browser performance problems? Simple tricks to the rescue: “To speed up browsing, Google Chrome resolves domain names before the user navigates, typically while the user is viewing a web page. This is done using your computer’s normal DNS resolution mechanism; no connection to Google is used. As a result, user navigation time in Google Chrome when [...]

Another credit card validator code

por em C#,Credit Card,CSHARP,PayPal,Regex,Regular Expression,Validation,Validator Nenhum comentário
For the last few weeks, I’ve been working with PayPal API at my job. Besides the usual PayPal payment method, PayPal provides a direct credit card transaction solution too and it’s named Website Payments Pro. When we’re dealing with credit card numbers, we should be careful with fraudulent, illegal and false number cards. In my [...]

Switch to our mobile site